Automated Shoe Part Assembly With Image-Guided 3D Placement
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Solution Overview
Problem
Manual methods for shoe manufacturing are resource-intensive and prone to high variability, making them inefficient and inconsistent.
Innovation Solution
An automated system that uses a part-recognition system to identify and position shoe parts through image analysis, employing a multi-functional manufacturing tool with a vacuum-powered part holder and ultrasonic welding horn to accurately attach parts in a three-dimensional space.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual methods are used for shoe manufacturing, then flexibility and adaptability are maintained, but resource consumption increases and variability is high
Solution Approach 1:
The patent replaces manual mechanical operations with an automated manufacturing tool that integrates image recording, vacuum holding, ultrasonic welding, and adhesive dispensing. This substitution eliminates human variability while maintaining operational flexibility through programmable control, directly resolving the contradiction between manufacturing consistency and resource efficiency.
Solution Approach 2:
The manufacturing tool is designed as a multi-functional device that can perform multiple operations (holding, welding, dispensing, heating) with a single integrated system. This universality improves resource efficiency by consolidating multiple manual processes into one automated tool while ensuring consistent execution of each function, thereby addressing both reliability and productivity concerns.
2Manufacturing precision
If automated manufacturing tools are used, then productivity and precision are improved, but device complexity increases
Solution Approach 1:
The patent merges multiple manufacturing functions (vacuum holding, ultrasonic welding, adhesive dispensing, heating) into a single integrated tool head. This consolidation achieves high manufacturing precision through coordinated multi-functional operations while managing device complexity by combining rather than multiplying separate systems.
Solution Approach 2:
The system uses image recording to create a digital representation of the shoe part and its coordinate system, then uses this copied information to guide precise positioning and operations. This copying approach enables high precision without requiring complex mechanical positioning systems, as the digital model guides the simplified physical actuators.
3Measurement precision
If image analysis is used to identify parts, then positioning accuracy is improved, but measurement and detection difficulty increases
Solution Approach 1:
The patent applies fiducial markers to the shoe part before image recording. These pre-placed markers simplify the image analysis process by providing known reference points for coordinate transformation, thereby improving measurement precision while reducing the complexity of detecting and measuring arbitrary features on the shoe part.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system enables precise and efficient automated placement and attachment of shoe parts, reducing variability and increasing manufacturing efficiency by leveraging image recognition and advanced tooling for accurate positioning and joining.
Implementation Method 1
a vacuum-powered part holder having a bottom surface adapted for contacting the attachment shoe part
Implementation Method 2
an ultrasonic-welding horn comprised of a distal end adapted for contacting the attachment shoe part
Data Source
AI summary
Manufacturing and assembly of a shoe or a portion of a shoe is enhanced by automated placement and assembly of shoe parts. For example, a part-recognition system analyzes an image of a shoe part to identify the part and determine a location of the part. Once the part is identified and located, the part can be manipulated by an automated manufacturing tool.